ON SEMICONDUCTOR CORP — All Filings
1,004 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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10-K
10-K/A
10-K405
10-K405/A
10-Q
10-Q/A
11-K
144
3
3/A
4
4/A
424B3
424B5
424B7
425
8-A12B
8-A12B/A
8-A12G
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
DFAN14A
EFFECT
NT 10-K
POS AM
PRE 14A
PRER14A
S-1
S-1/A
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-C
SC TO-I
SC TO-I/A
SC TO-T
SC TO-T/A
SCHEDULE 13G/A
SD
T-3
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | — | 0001225208-25-005229 | May 16, 2025 | May 15, 2025 |
| 4 | — | 0001225208-25-005230 | May 16, 2025 | May 15, 2025 |
| 4 | — | 0001225208-25-005228 | May 16, 2025 | May 15, 2025 |
| 4 | — | 0001225208-25-005225 | May 16, 2025 | May 15, 2025 |
| 8-K | 8-K | 0001140361-25-017228 | May 5, 2025 | — |
| 10-Q | 10-Q | 0001628280-25-022042 | May 5, 2025 | Apr 4, 2025 |
| 4 | — | 0001225208-25-004151 | Apr 7, 2025 | Apr 4, 2025 |
| DEFA14A | DEFA14A | 0001140361-25-011985 | Apr 3, 2025 | — |
| ARS | ARS | 0001140361-25-011986 | Apr 3, 2025 | Dec 31, 2024 |
| DEF 14A | DEF 14A | 0001097864-25-000008 | Apr 3, 2025 | May 15, 2025 |
| 8-K | 8-K | 0001193125-25-056735 | Mar 18, 2025 | Mar 17, 2025 |
| 144 | — | 0001950047-25-001772 | Mar 12, 2025 | — |
| 4 | — | 0001225208-25-003280 | Mar 12, 2025 | — |
| 4 | — | 0001225208-25-003193 | Mar 10, 2025 | Mar 7, 2025 |
| 8-K | 8-K | 0001193125-25-047728 | Mar 6, 2025 | Mar 5, 2025 |
| 8-K | 8-K | 0001193125-25-035138 | Feb 25, 2025 | Feb 24, 2025 |
| 4 | — | 0001225208-25-002306 | Feb 24, 2025 | Feb 21, 2025 |
| 4 | — | 0001225208-25-002307 | Feb 24, 2025 | Feb 20, 2025 |
| 4 | — | 0001225208-25-002304 | Feb 24, 2025 | Feb 20, 2025 |
| 4 | — | 0001225208-25-002305 | Feb 24, 2025 | Feb 20, 2025 |
| 4 | — | 0001225208-25-001591 | Feb 12, 2025 | Feb 10, 2025 |
| 4 | — | 0001225208-25-001592 | Feb 12, 2025 | Feb 11, 2025 |
| 4 | — | 0001225208-25-001590 | Feb 12, 2025 | Feb 10, 2025 |
| 4 | — | 0001225208-25-001589 | Feb 12, 2025 | Feb 11, 2025 |
| 4 | — | 0001225208-25-001476 | Feb 10, 2025 | Feb 6, 2025 |
| 4 | — | 0001225208-25-001474 | Feb 10, 2025 | Feb 6, 2025 |
| 8-K | 8-K | 0001193125-25-023201 | Feb 10, 2025 | — |
| 10-K | 10-K | 0001628280-25-004557 | Feb 10, 2025 | Dec 31, 2024 |
| S-8 | S-8 | 0001193125-25-023581 | Feb 10, 2025 | — |
| 4 | — | 0001225208-25-001472 | Feb 10, 2025 | Feb 6, 2025 |
| 4 | — | 0001225208-25-001473 | Feb 10, 2025 | Feb 6, 2025 |
| 4 | — | 0001225208-24-010961 | Dec 20, 2024 | — |
| 4 | — | 0001225208-24-010909 | Dec 18, 2024 | Dec 17, 2024 |
| 4 | — | 0001225208-24-010907 | Dec 18, 2024 | Dec 17, 2024 |
| 4 | — | 0001225208-24-010908 | Dec 18, 2024 | Dec 17, 2024 |
| 144 | — | 0001972362-24-001891 | Dec 17, 2024 | — |
| 144 | — | 0001959173-24-008735 | Dec 17, 2024 | — |
| 144 | — | 0001950047-24-009924 | Dec 17, 2024 | — |
| 8-K | 8-K | 0001193125-24-273895 | Dec 10, 2024 | Dec 9, 2024 |
| 4 | — | 0001225208-24-010210 | Nov 26, 2024 | Nov 25, 2024 |
| SC 13G/A | — | 0000315066-24-002813 | Nov 12, 2024 | — |
| 8-K | 8-K | 0001193125-24-244677 | Oct 28, 2024 | — |
| 10-Q | 10-Q | 0001628280-24-043880 | Oct 28, 2024 | Sep 27, 2024 |
| 4 | — | 0001225208-24-009324 | Oct 16, 2024 | Oct 15, 2024 |
| 8-K | 8-K | 0001193125-24-232294 | Oct 3, 2024 | Oct 1, 2024 |
| 4 | — | 0001225208-24-008880 | Sep 30, 2024 | Sep 27, 2024 |
| 4 | — | 0001225208-24-008739 | Sep 17, 2024 | Sep 16, 2024 |
| 144 | — | 0001950047-24-007113 | Sep 16, 2024 | — |
| SC 13G/A | — | 0001086364-24-008641 | Sep 10, 2024 | — |
| 4 | — | 0001225208-24-007806 | Aug 2, 2024 | Jul 31, 2024 |